2022年八级上册英语语法短语和知识点总结.docx

Manipulator i s now use d as a i ndustrial robots i n use, the control obje ctives ofte n appear often i n industrial automati on. Industrial a utomation technology ha s gradually matured, a s mature a technology li ne ha s been rapi d dev elopment in i ndustrial a utomation as a se parate subje ct. Ma nipulator appli cation bega n to f ilter into w eldi ng, logi stics, me cha nical processing, a nd other i ndustries. E specially at high or very l ow temperat ures, full of poi sonous gases, high ra diation case, robot in similar cir cumstances showed great use al so bri ngs great conve nie nce to t he staff. Precisely be cause of t his robot to get people's attenti on began to be a high degree of development. Labor rates, worki ng conditions, la bor inte nsive a spe cts of pr omoting devel opment. Both at home and abr oad to devel op the PLC programmable l ogic controller is i n various special circumstances a nd under special conditions set for mecha nical devi ces. Now t urne d on the developm ent of the microel ectronics aut omatic control te chnol ogy and the ra pid development of the trains, t he success of PLC hardware software a ndsimulation control win big and succe ssful development, now continues to develop as a f actory aut omation standards. Because robots are g ood devel opme nt of the technology makes a g ood optimization of productive ca pital, and robot show s this uni que a dvantages, such as: ha s good compatibility, wi de availa bility, hardware is complete , and programming t hat can be mastered i n a short time, so in t he context of industrial PLC applicati ons became ubi quit ous. Mani pulat or in many developed country agri cultur e and industry ha s be en applie d, such as the use of mecha nical harvesti ng large areas of farmland, repeate d operations on the high-speed li ne that uses a r obotic arm, a nd so on. Toda y, the high level of automation combi ned wit h restricti ons on the mani pulat or devel opme nt level is slig htly lower t han t he inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation cont rol. T his of design let desig ners on in school by lear n of has a must of consoli dation, understa nd has some usually didn't opportunities aw arene ss in w orld range within some leadi ng level of knowle dge ha s has m ust aware ness, hope de signer s ca n in yi hou of design in t he ca n success of usi ng in thi s de sign i n the pr oce eds of experie nce 1.2 mani pulat or in both at home and abr oad of research profile a utomation mechani cal arm resear ch began Yu 20th ce ntury medi um-term, after years with with computer and automati ontechnology of development, M akes mechani cal arm on t he Grand stage of industrial a utomation and shine, gra dually became a n industrial eval uation standards, and its importa nce can be see n. Now original roboti c arm spe nt most of mass producti on a nd use on the production li ne, w hich is pr ogrammed roboti c arm. As the first generation of manipulator position control sy stems main features, alt hough not ba ck several ge nerations that ca n dete ct the external environment, but ca n still successf ully com plete like wel ding, painti ng, deliv ery as well as for materials simple moveme nts. Second generation mechani cal arms are e qui ppe d with se nsors and mani pulator s have the environment ther e is a certai n amount of "sense", whe n the me cha nical arm is to use t he program as a basis. Difference i s that the robot begand八年级上册英语语法、短语和学问点总结Unit 1 Where did you go on vacation.本单元的话题： 谈论假期活动内容,复习一般过去时；本单元的语法： 1. 复习一般过去时； 2. 学习不定代词和不定副词的用法；语法： 1. 本单元显现的 动词不规章过去式有：isam-was是are-were是 go-went去buybought买take-took拿走 ,dodoes didfeedfed 喂 see saw 观察 eat ate吃 havehas had 有,吃feel felt感觉 ride rode 骑 get got 到达, 得到 cancould 能,会 forget forgot遗忘 drink drank 喝 find found 找到2. 不定代词和不定副词的用法：somebody anyoneeverythingnowhere（疑问副词） 不定代词和不定副词（1） 左边的 some、any、every 、no 与右边的 body、one、thing构成不定代词 ,some、any、every 、no 与右边的疑问副词 where 构成不定副词 ；（2） 一般情形下以 some开头的不定代词和不定副词用于确定句,以any 开头的不定代词和不定副词用于否定句、疑问句；以 no 开头的不定代词和不定副词表示否定含义（no one 为两个单词）；（3） 不定代词或不定副词和形容词连用时,形容词放在后面；He has something important to do.他有重要的事情要做； （确定句用 something ,形容词 important放后）Did you buyanythingspecial.（一般疑问句用 anything ,形容词 special放后）Did you goanywhere interesting last month.上个月你去令人感爱好的地方了吗？ 一般疑问句用不定副词anywhere,形容词 interesting放后（4） 不定代词和不定副词做主语 时,后面的动词用 单数形式 ；Everone is here today.今日每个人都在这里；本单元的短语和学问点：1.P1 ,图片go on vacation去度假 go to the mountains上山/ 进山2.P1 , 1a stay at home呆在家 go to the beach 去海滩 visitmuseums参观博物馆 goto summer camp去参观夏令营3.P2 , 2b study for tests为考试而学习备考go out出去4.P2 , 2d quite a few相当多, 不少（后跟可数名词复数）He has quite a few friends.他有不少伴侣； take photos照相 most of the time大部分时间5. （ P3, 语法表格 3 行buy sth for sb = buy sb sth为某人买某物My mother bought me a sweater=My mother bought a sweater for me.我妈妈给我买了一件毛衣；6. （ P3, 语法表格 4 行 taste good.尝起来很好taste （尝起来）、look （看起来）、sound（听起来）为感官动词,后跟形容词The food tastes delicious.这食品尝起来特别可口；The T-shirt looks beautiful.这件体恤衫看起来很美丽；The songs sound beautiful.这些歌曲听起来很美丽；7. （ P3, 语法表格 5 行 have a goodgreatfun time过得兴奋,玩得开心（ =enjoy oneself） They had a good time yesterday.= They enjoyed themselves yesterday.他们昨天玩得很高兴；8.P3,3a go shopping去购物9.P3,3b,4行 nothing,but+ 动词原形：除了 , 之外什么都没有He had nothing to do at home but read yesterday.昨天他在家除了读书无事可做；10.P3,3b,5行 seem to do sth:似乎, I seem to know him.我似乎熟悉他；seem+（ to be ）+形容词： 看起来, The work seems （to be ）easy. 这工作看起来很简洁；manipulat or control mode and pr ogrammable controll ers introduction 2.1 Sele ct di scussion wit h manipulator contr ol 2.1.1 cla ssification of control relay s and discrete ele ctroni c circuit ca n control old i ndustrial equipme nt, but also mor e common. Mai nly the se two relatively chea p and you can mee t the old -fashi one d, simpl e or simple industrial equipment. S o he can see them now, however these two control m ode s relay and di screte ele ctronic circuit s are these fatal flaws: 1 cannot ada pt to the compl ex logic contr ol, 2 only for the curre nt proje ct, the la ck of compati bility and 3 not ref orming the system with e qui pment improveme nts. S pring for the development of China' s moder n industri al automati on technology the substantial i ncrea se in the level of industria l automation, complete d the perfect relay of the computer too much. In terms of c ontroll ing the computer showe d his two great adva ntages: 1 each of the har dware can be installe d on one or more micr opr oces sors; 2 the official de signer of the software writi ng content control i s all about. Now i n several ways i n the context of industrial automati on ca n often be se en in t hree ways: 1 Programmabl e Logical Controller referred to as IPC; 2 DistributedContr ol System DCS for short,and 3 the Pr ogrammable Logica l Controller PLC for short. 2.1.2 PLC a nd t he IPC and DCS contrast contrast 1, ea chof the t hree te chnol ogies of origins and devel opme nt requirements for fast data proce ssi ng makes it invente d the com puter. T he me n brought i n terms of hardware there , usi ng a high level of standardi zation, ca n use more compati bility tool s, is a ri ch software resources, espe cially the nee d for immediacy i n operational systems. S o the computer ca n effectively control i s use d to contr ol and meet its spee d, on the virtual mode l, real-time a nd i n computati onal re quireme nts. Distributed system started with a contr ol system for industrial a utomatic i nstrume nt used to control, w hereas now it i s successfully developed i nto i ndustrial control com puter used a s a ce ntral collecti on a nd distri bution system a nd transition of distri bute d control system i n anal ogue ha ndli ng, l oop control, ha s beg un to refle ct the use of a huge a dvantage. T hough distributed system has great adva ntag es in l oop regulati on, but only a s a means of continuous pr oce ss control. Optimization of PLC is t he corresponding relay needs was bor n, its main use i n the w ork or der control , early primar y is replaced relay thi s hulking system, focused on the switch control ling the runni ng or der of functions. Marke d by the mi cropr oce ssor i n the early 1970 of the 20t h ce ntury emerged, micro -ele ctroni cs te chnology has developed rapidl y, pe opl e soon micr oele ctroni csprocessi ng technol ogy will be used in t he Pr ogramm able Logical Contr oller that isManipulator i s now use d as a i ndustrial robots i n use, the control obje ctives ofte n appear often i n industrial automati on. Industrial a utomation technology ha s gradually matured, a s mature a technology li ne ha s been rapi d dev elopment in i ndustrial a utomation as a se parate subje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics, me cha nical processing, a nd other i ndustries. E specially at high or very l ow temperat ures, full of poi sonous gases, high ra diation case, robot in similar cir cumstances showed great use al so bri ngs great conve nie nce to t he staff. Precisely be cause of t his robot to get people's attenti on began to be a high degree of development. Labor rates, worki ng conditions, la bor inte nsive a spe cts of pr omoting devel opment. Both at home and abr oad to devel op the PLC programmable l ogic controller is i n various special circumstances a nd under special conditions set for mecha nical devi ces. Now t urne d on the development of the microel ectronics aut omatic control te chnol ogy and the ra pid development of the trains, t he success of PLC hardware software a nd simulation control win big and succe ssful development, now continues to develop as a f actory aut omation standards. Be cause robots are g ood devel opme nt of the technology makes a g ood optimization of productive ca pital, and robot show s this uni que a dvantages, such as: ha s good compatibility, wi de availa bility, hardware is complete , and programming t hat can be mastered i n a short time, so in t he context of industrial PLC applicati ons became ubi quit ous. Mani pulat or in many developed country agri cultur e and industry ha s be en applie d, such as the use of mecha nical harvesti ng large areas of far mland, repeate d operations on the high-spe